also: ホーチャン
noun
discarding a tile that completes another player's hand
In mahjong, the act of throwing a tile that becomes the winning tile for an opponent. Also called 'dealing in' or 'feeding' a win. Compare 振り込み (sense 2).
See also: 振り込み
放銃したら、その局は終わりだ。
If you discard a tile that gives someone the win, the hand ends.
彼は危険牌を切って放銃してしまった。
He discarded a dangerous tile and ended up dealing into an opponent's win.
Katakana spelling reflecting the Chinese-derived pronunciation; common in mahjong contexts.
Sense 2 of 振り込み is a synonym for 放銃 in mahjong. 振り込み is more common in everyday mahjong parlance, while 放銃 is a technical term often used in rulebooks or formal contexts.
From Chinese mahjong terminology. 放 (release, discard) + 銃 (gun, cannon), metaphorically 'firing a shot' that hits the opponent's winning hand.